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EP 3 993 686 A1

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(43) Date of publication: 11.05.2022 Bulletin 2022/19 (21) Application number: 20837716.8 (22) Date of filing: 02.07.2020

(51) International Patent Classification (IPC):  A47L 9/28(2006.01) F16H 1/04(2006.01) F16H 7/02(2006.01) A47L 9/00(2006.01) F16H 19/04(2006.01) B60L 53/80(2019.01) (52) Cooperative Patent Classification (CPC): B60L 53/80; F16H 7/02; F16H 19/04; Y02T 10/70; Y02T 10/7072; A47L 2201/022; A47L 11/4005; F16H 37/124 (86) International application number: PCT/KR2020/008678 (87) International publication number: WO 2021/006546 (14.01.2021 Gazette 2021/02)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 05.07.2019 KR 20190081028 (71) Applicant: LG Electronics Inc. SEOUL 07336 (KR)	(72) Inventor: KIM, Jaemin Seoul 08592 (KR) (74) Representative: Vossius & Partner Patentanwälte Rechtsanwälte mbB  Siebertstraße 3 81675 München 81675 München (DE)